Add support for embed and object to remote-context-helper.
Bug: 40286851
Change-Id: I2a6c1188f7f2ebc4b03e0c16449bb4e14f1a5aae
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5632859
Reviewed-by: Domenic Denicola domenic@chromium.org
Auto-Submit: Fergal Daly fergal@chromium.org
Commit-Queue: Domenic Denicola domenic@chromium.org
Commit-Queue: Fergal Daly fergal@chromium.org
Cr-Commit-Position: refs/heads/main@{#1317208}